Answer:
See the answers below.
Step-by-step explanation:
An exponential model is the best representation of the given model.
[tex]f(t) = 500(0.5)^{\frac{t}{10}}[/tex] (where t is given in minutes)
[tex]f(120) = 500(0.5)^{\frac{120}{10}}\\\\=0.12\:g[/tex]
Best Regards!
